@font-face { font-family: 'IBM Plex Sans'; font-weight: 400; font-display: swap; src: url('/fonts/ibm-plex-sans-latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Sans'; font-weight: 500; font-display: swap; src: url('/fonts/ibm-plex-sans-latin-500-normal.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Sans'; font-weight: 600; font-display: swap; src: url('/fonts/ibm-plex-sans-latin-600-normal.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-weight: 400; font-display: swap; src: url('/fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-weight: 500; font-display: swap; src: url('/fonts/ibm-plex-mono-latin-500-normal.woff2') format('woff2'); }

:root {
  --ink-900: #1a1712; --ink-700: #3d362b; --ink-600: #5a5245; --ink-500: #7a7063;
  --ink-200: #e3ddd3; --ink-150: #ede8e0; --ink-100: #f4f0e9; --paper: #fbf9f5; --white: #fff;
  --green-600: #10553c; --green-500: #15654a; --green-100: #e4f1ea;
  --bg: var(--paper); --surface: var(--white); --sunken: var(--ink-100);
  --border: var(--ink-200); --text: var(--ink-900); --soft: var(--ink-600); --muted: var(--ink-500);
  --accent: var(--green-500); --accent-hover: var(--green-600); --accent-soft: var(--green-100); --on-accent: var(--white);
  --sans: 'IBM Plex Sans', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --r1: 3px; --r2: 5px; --r3: 8px;
  --wrap: 1040px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1712; --surface: #2a241c; --sunken: #221d17; --border: #3d362b;
    --text: #f4f0e9; --soft: #c9c1b6; --muted: #a39a8d;
    --accent: #3fa37a; --accent-hover: #52b58b; --accent-soft: #1f3a2e; --on-accent: #0d1f17;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 400 17px/1.6 var(--sans); letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
a:hover { color: var(--accent-hover); }
img, video { max-width: 100%; display: block; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

header.top { border-bottom: 1px solid var(--border); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 600; font-size: 19px; letter-spacing: -0.022em; }
.brand img { width: 28px; height: 28px; }
nav.top { display: flex; align-items: center; gap: 20px; font-size: 15px; }
nav.top a { color: var(--soft); text-decoration: none; }
nav.top a:hover { color: var(--text); }
@media (max-width: 640px) { nav.top .hide-sm { display: none; } }

.btn {
  display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 20px;
  border-radius: var(--r2); border: 1px solid transparent; font: 600 16px/1 var(--sans);
  text-decoration: none; transition: background 140ms cubic-bezier(0.2, 0, 0, 1);
}
.btn.primary { background: var(--accent); color: var(--on-accent); }
.btn.primary:hover { background: var(--accent-hover); color: var(--on-accent); }
.btn.ghost { border-color: var(--border); color: var(--text); background: var(--surface); }
.btn.ghost:hover { border-color: var(--muted); color: var(--text); }

.label { font: 600 12px/1 var(--sans); text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); margin: 0 0 12px; }

.hero { padding: 72px 0 40px; }
.hero h1 { font-size: clamp(34px, 5.4vw, 54px); line-height: 1.08; letter-spacing: -0.03em; font-weight: 600; margin: 0 0 20px; max-width: 16ch; }
.hero .lede { font-size: 20px; color: var(--soft); max-width: 40ch; margin: 0 0 28px; }
.cta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; }
.cta .note { font-size: 14px; color: var(--muted); }

.demo { margin: 32px 0 0; border: 1px solid var(--border); border-radius: var(--r3); overflow: hidden; background: var(--sunken); }
.demo video { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }

section { padding: 64px 0; border-top: 1px solid var(--border); }
section h2 { font-size: clamp(26px, 3.4vw, 34px); line-height: 1.2; letter-spacing: -0.02em; font-weight: 600; margin: 0 0 16px; max-width: 24ch; }
section .intro { color: var(--soft); max-width: 60ch; margin: 0 0 32px; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); counter-reset: s; }
.steps li { background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: var(--r2); padding: 20px; counter-increment: s; }
.steps li::before { content: counter(s, decimal-leading-zero); display: block; font: 500 14px/1 var(--mono); color: var(--accent); margin-bottom: 12px; }
.steps h3 { margin: 0 0 6px; font-size: 18px; font-weight: 600; }
.steps p { margin: 0; color: var(--soft); font-size: 16px; }

.split { display: grid; gap: 40px; grid-template-columns: 1fr 1fr; align-items: start; }
@media (max-width: 760px) { .split { grid-template-columns: 1fr; gap: 24px; } }
.facts { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--border); }
.facts li { padding: 14px 0; border-bottom: 1px solid var(--border); display: grid; grid-template-columns: 150px 1fr; gap: 16px; font-size: 16px; }
.facts b { font-weight: 600; }
.facts span { color: var(--soft); }
@media (max-width: 520px) { .facts li { grid-template-columns: 1fr; gap: 2px; } }

.roles { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.roles li { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r1); padding: 6px 12px; font-size: 15px; }

.plans { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.plan { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r3); padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.plan.featured { border-color: var(--accent); box-shadow: inset 0 3px 0 var(--accent); }
.plan h3 { margin: 0; font-size: 18px; }
.price { font: 500 32px/1 var(--mono); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.price small { font: 400 15px var(--sans); color: var(--muted); letter-spacing: 0; }
.plan ul { margin: 0; padding-left: 18px; color: var(--soft); font-size: 15px; flex: 1; }
.plan .btn { justify-content: center; }

.faq details { border-bottom: 1px solid var(--border); padding: 16px 0; }
.faq details:first-of-type { border-top: 1px solid var(--border); }
.faq summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::after { content: '+'; font-family: var(--mono); color: var(--muted); }
.faq details[open] summary::after { content: '\2212'; }
.faq summary::-webkit-details-marker { display: none; }
.faq p { color: var(--soft); margin: 10px 0 0; max-width: 70ch; }

.closing { text-align: left; }
footer { border-top: 1px solid var(--border); padding: 32px 0 48px; font-size: 14px; color: var(--muted); }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
footer nav { display: flex; flex-wrap: wrap; gap: 16px; }
footer a { color: var(--soft); }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
footer .badges { flex-basis: 100%; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
footer .badges img { height: auto; }